GB2499952B - Systems and methods for providing protection circuitry to selectively handle multiple cable-types through the same port - Google Patents

Systems and methods for providing protection circuitry to selectively handle multiple cable-types through the same port

Info

Publication number
GB2499952B
GB2499952B GB1310740.4A GB201310740A GB2499952B GB 2499952 B GB2499952 B GB 2499952B GB 201310740 A GB201310740 A GB 201310740A GB 2499952 B GB2499952 B GB 2499952B
Authority
GB
United Kingdom
Prior art keywords
circuit
power
headset
cable
port
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB1310740.4A
Other versions
GB2499952B8 (en
GB2499952A (en
GB201310740D0 (en
Inventor
Doug Farrar
Rishabh Bhargava
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Apple Inc
Original Assignee
Apple Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US12/477,547 external-priority patent/US20100225176A1/en
Application filed by Apple Inc filed Critical Apple Inc
Publication of GB201310740D0 publication Critical patent/GB201310740D0/en
Publication of GB2499952A publication Critical patent/GB2499952A/en
Application granted granted Critical
Publication of GB2499952B publication Critical patent/GB2499952B/en
Publication of GB2499952B8 publication Critical patent/GB2499952B8/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1041—Mechanical or electronic switches, or control elements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/05—Detection of connection of loudspeakers or headphones to amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Human Computer Interaction (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Power Sources (AREA)

Abstract

The invention is generally directed to providing protection circuitry to selectively handle power-providing cables and headset cables that can couple to the same port of an electronic device (eg a 3.5mm headphone jack 506, fig.5). The device includes a Headset Rx circuit 742 to communicate with a headset cable and a Power Rx circuit 732 to communicate with a power-providing cable. As the Headset Rx circuit and the Power Rx circuit can be coupled to the same contact of the device's port, these circuits may prevent one another from operating correctly or may damage one another. Accordingly, a first contact 760 of the port is used to determine when a cable with a circuit is connected to the port and a second contact 764 is used to determine the cable type. When a headset cable (504, fig.5) is coupled to the device and authenticated by the Headset Rx circuit, a power control circuit 750 disconnects the Power Rx chip. The Headset Rx circuit may similarly be disconnected when a power-providing cable (502, fig.5) is coupled to the device and authenticated by the Power Rx circuit.
GB201310740A 2009-03-09 2009-12-21 Systems and methods for providing protection circuitry to selectively handle multiple cable-types through the same port Active GB2499952B8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15865609P 2009-03-09 2009-03-09
US12/477,547 US20100225176A1 (en) 2009-03-09 2009-06-03 Systems and methods for providing protection circuitry to selectively handle multiple cable-types through the same port

Publications (4)

Publication Number Publication Date
GB201310740D0 GB201310740D0 (en) 2013-07-31
GB2499952A GB2499952A (en) 2013-09-04
GB2499952B true GB2499952B (en) 2013-11-20
GB2499952B8 GB2499952B8 (en) 2014-01-15

Family

ID=48914662

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201310740A Active GB2499952B8 (en) 2009-03-09 2009-12-21 Systems and methods for providing protection circuitry to selectively handle multiple cable-types through the same port

Country Status (1)

Country Link
GB (1) GB2499952B8 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2520707B (en) * 2013-11-28 2015-12-02 Chung Jen Chang Lens cap
KR101830866B1 (en) * 2016-05-19 2018-02-22 주식회사 지엠케이 Power communication apparatus using mike terminal

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060028246A (en) * 2004-09-24 2006-03-29 엘지전자 주식회사 A common port devive for dc jack and earphone jack of mobile station
WO2006073702A1 (en) * 2005-01-07 2006-07-13 Apple Inc. Accessory authentication for electronic devices
GB2466328A (en) * 2008-09-08 2010-06-23 Apple Inc Cross-Transport authentication for personal media device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060028246A (en) * 2004-09-24 2006-03-29 엘지전자 주식회사 A common port devive for dc jack and earphone jack of mobile station
WO2006073702A1 (en) * 2005-01-07 2006-07-13 Apple Inc. Accessory authentication for electronic devices
GB2466328A (en) * 2008-09-08 2010-06-23 Apple Inc Cross-Transport authentication for personal media device

Also Published As

Publication number Publication date
GB2499952B8 (en) 2014-01-15
GB2499952A (en) 2013-09-04
GB201310740D0 (en) 2013-07-31

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